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| author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-05 14:34:32 -0800 |
|---|---|---|
| committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-05 14:34:32 -0800 |
| commit | 635860845790a19bf50bbc51ba8fb66a96dde068 (patch) | |
| tree | ef6ad9ff73a5b57f65249d4232a202fa77e6a140 /WebKit/win/COMVariantSetter.h | |
| parent | 8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2 (diff) | |
| download | external_webkit-635860845790a19bf50bbc51ba8fb66a96dde068.zip external_webkit-635860845790a19bf50bbc51ba8fb66a96dde068.tar.gz external_webkit-635860845790a19bf50bbc51ba8fb66a96dde068.tar.bz2 | |
auto import from //depot/cupcake/@136594
Diffstat (limited to 'WebKit/win/COMVariantSetter.h')
| -rw-r--r-- | WebKit/win/COMVariantSetter.h | 75 |
1 files changed, 70 insertions, 5 deletions
diff --git a/WebKit/win/COMVariantSetter.h b/WebKit/win/COMVariantSetter.h index 5c6b21c..76ca927 100644 --- a/WebKit/win/COMVariantSetter.h +++ b/WebKit/win/COMVariantSetter.h @@ -36,7 +36,15 @@ namespace WebCore { template<typename T> struct COMVariantSetter {};
-template<> struct COMVariantSetter<WebCore::String>
+template<typename T> struct COMVariantSetterBase
+{
+ static inline VARENUM variantType(const T&)
+ {
+ return COMVariantSetter<T>::VariantType;
+ }
+};
+
+template<> struct COMVariantSetter<WebCore::String> : COMVariantSetterBase<WebCore::String>
{
static const VARENUM VariantType = VT_BSTR;
@@ -49,7 +57,7 @@ template<> struct COMVariantSetter<WebCore::String> }
};
-template<> struct COMVariantSetter<unsigned long long>
+template<> struct COMVariantSetter<unsigned long long> : COMVariantSetterBase<unsigned long long>
{
static const VARENUM VariantType = VT_UI8;
@@ -62,7 +70,7 @@ template<> struct COMVariantSetter<unsigned long long> }
};
-template<> struct COMVariantSetter<int>
+template<> struct COMVariantSetter<int> : COMVariantSetterBase<int>
{
static const VARENUM VariantType = VT_I4;
@@ -75,7 +83,7 @@ template<> struct COMVariantSetter<int> }
};
-template<typename T> struct COMVariantSetter<COMPtr<T> >
+template<typename T> struct COMVariantSetter<COMPtr<T> > : COMVariantSetterBase<COMPtr<T> >
{
static const VARENUM VariantType = VT_UNKNOWN;
@@ -90,7 +98,7 @@ template<typename T> struct COMVariantSetter<COMPtr<T> > };
template<typename COMType, typename UnderlyingType>
-struct COMIUnknownVariantSetter
+struct COMIUnknownVariantSetter : COMVariantSetterBase<UnderlyingType>
{
static const VARENUM VariantType = VT_UNKNOWN;
@@ -103,4 +111,61 @@ struct COMIUnknownVariantSetter }
};
+class COMVariant {
+public:
+ COMVariant()
+ {
+ ::VariantInit(&m_variant);
+ }
+
+ template<typename UnderlyingType>
+ COMVariant(UnderlyingType value)
+ {
+ ::VariantInit(&m_variant);
+ COMVariantSetter<UnderlyingType>::setVariant(&m_variant, value);
+ }
+
+ ~COMVariant()
+ {
+ ::VariantClear(&m_variant);
+ }
+
+ COMVariant(const COMVariant& other)
+ {
+ ::VariantInit(&m_variant);
+ other.copyTo(&m_variant);
+ }
+
+ COMVariant& operator=(const COMVariant& other)
+ {
+ other.copyTo(&m_variant);
+ return *this;
+ }
+
+ void copyTo(VARIANT* dest) const
+ {
+ ::VariantCopy(dest, const_cast<VARIANT*>(&m_variant));
+ }
+
+ VARENUM variantType() const { return static_cast<VARENUM>(V_VT(&m_variant)); }
+
+private:
+ VARIANT m_variant;
+};
+
+template<> struct COMVariantSetter<COMVariant>
+{
+ static inline VARENUM variantType(const COMVariant& value)
+ {
+ return value.variantType();
+ }
+
+ static void setVariant(VARIANT* variant, const COMVariant& value)
+ {
+ ASSERT(V_VT(variant) == VT_EMPTY);
+
+ value.copyTo(variant);
+ }
+};
+
#endif // COMVariantSetter
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